(In reply to comment #2)
> needs debug symbols for mesa
Hello ,
I am the one who reported this bug. So you are saying that the Warzone2100 developers should use glGetError in their code to enable better debugging? As mentioned in http://www.mesa3d.org/debugging.html
If so, I will tell them this. I just want to report to the right people to help fix this problem.

Not enough info here. Need to confirm the version of mesa you are using and install the dbg info -- there will be a package called something like libgl1-mesa-dri-dbg.
In all likelihood this is:
commit 18a6e5ee73c5cef283c6bef906e5f8e4f60d4000
Author: Eric Anholt <eric@anholt.net>
Date: Fri Jun 4 12:43:15 2010 -0700
intel: Fix intel_compressed_num_bytes for FXT1 after I broke it.
Fixes piglit fxt1-teximage since
7554b83a21bd62b20df5a7327b69f08108ac9ab6, and also OGLC tests that hit
FXT1 with a million other things.
Bug #28184.